Immune response and protection of free range chickens vaccinated orally with feeding of newcastle disease vaccine-coated cassava granules

Echeonwu G. O. N^1*, Iroegbu C. U², Echeonwu B. C³, Ngene A⁴, Nwosuh C. I⁵, Joannis T. M⁶ and Ndako J¹.

¹Virology Department, Federal College of Veterinary and Medical Laboratory Technology, National Veterinary Research Institute, Vom, Plateau State, Nigeria.

²Department of Microbiology, University of Nigeria, Nsukka, Enugu State, Nigeria.

³Poultry Department, National Veterinary Research Institute, Vom, Plateau State, Nigeria.

⁴Department of Veterinary Medicine, University of Nigeria, Nsukka, Enugu State, Nigeria.

⁵Viral Vaccines Production Department, National Veterinary Research Institute, Vom, Plateau State, Nigeria.

⁶Viral Research Department, National Veterinary Research Institute, Vom, Plateau State, Nigeria.